From 8c89d08980b5c13c6df7ebd71458598cb1424d5d Mon Sep 17 00:00:00 2001
From: Kevin Veen-Birkenbach <kevin@veen.world>
Date: Wed, 13 Dec 2023 19:36:06 +0100
Subject: [PATCH] Integration of freezer to services. See
 https://chat.openai.com/share/c9f5587b-0a60-4005-9329-e53754e3fcfa

---
 group_vars/all                                           | 9 +++++----
 .../templates/backup-docker-to-local.service.j2          | 4 +++-
 .../templates/backup-remote-to-local.service.j2          | 2 ++
 .../templates/cleanup-backups.service.j2                 | 2 ++
 .../templates/cleanup-disc-space.service.j2              | 4 +++-
 .../templates/cleanup-failed-docker-backups.service.j2   | 4 +++-
 roles/heal-docker/templates/heal-docker.service.j2       | 2 ++
 roles/system-maintenance-service-freezer/tasks/main.yml  | 4 ++--
 .../system-maintenance-service-freezer.service.j2        | 2 +-
 roles/system-maintenance-service-freezer/vars/main.yml   | 1 -
 roles/update-docker/templates/update-docker.service.j2   | 4 +++-
 11 files changed, 26 insertions(+), 12 deletions(-)
 delete mode 100644 roles/system-maintenance-service-freezer/vars/main.yml

diff --git a/group_vars/all b/group_vars/all
index 2ffb0eb0..239265c6 100644
--- a/group_vars/all
+++ b/group_vars/all
@@ -26,10 +26,11 @@ size_percent_disc_space_warning:              85
 size_percent_cleanup_disc_space:              90
 
 # Path Variables
-path_administrator_home:                      "/home/administrator/"
-path_administrator_scripts:                   "{{path_administrator_home}}scripts/"
-path_docker_volumes:                          "{{path_administrator_home}}volumes/docker/"
-path_docker_compose_instances:                "{{path_administrator_home}}docker-compose/"
+path_administrator_home:                        "/home/administrator/"
+path_administrator_scripts:                     "{{path_administrator_home}}scripts/"
+path_docker_volumes:                            "{{path_administrator_home}}volumes/docker/"
+path_docker_compose_instances:                  "{{path_administrator_home}}docker-compose/"
+path_system_maintenance_service_freezer_script: "{{path_administrator_scripts}}system-maintenance-service-freezer.py"
 
 # Runtime Variables
 activate_all_timers:    false   # Activates all timers, independend if the handlers had been triggered
diff --git a/roles/backup-docker-to-local/templates/backup-docker-to-local.service.j2 b/roles/backup-docker-to-local/templates/backup-docker-to-local.service.j2
index a1382dca..7b5af3f2 100644
--- a/roles/backup-docker-to-local/templates/backup-docker-to-local.service.j2
+++ b/roles/backup-docker-to-local/templates/backup-docker-to-local.service.j2
@@ -4,4 +4,6 @@ OnFailure=systemd-notifier@%n.service cleanup-failed-docker-backups.service
 
 [Service]
 Type=oneshot
-ExecStart=/usr/bin/python {{backup_docker_to_local_folder}}backup-docker-to-local.py
\ No newline at end of file
+ExecStartPre=/bin/sh -c '/usr/bin/python {{ path_system_maintenance_service_freezer_script }} freeze "{{ system_maintenance_services | reject('equalto', "backup-docker-to-local") | join(',') }}"'
+ExecStart=/usr/bin/python {{backup_docker_to_local_folder}}backup-docker-to-local.py
+ExecStartPost=/bin/sh -c 'systemctl start system-maintenance-service-defrost.service'
\ No newline at end of file
diff --git a/roles/backup-remote-to-local/templates/backup-remote-to-local.service.j2 b/roles/backup-remote-to-local/templates/backup-remote-to-local.service.j2
index 55a77ecc..8ba6faa3 100644
--- a/roles/backup-remote-to-local/templates/backup-remote-to-local.service.j2
+++ b/roles/backup-remote-to-local/templates/backup-remote-to-local.service.j2
@@ -4,4 +4,6 @@ OnFailure=systemd-notifier@%n.service cleanup-failed-docker-backups.service
 
 [Service]
 Type=oneshot
+ExecStartPre=/bin/sh -c '/usr/bin/python {{ path_system_maintenance_service_freezer_script }} freeze "{{ system_maintenance_services | reject('equalto', "backup-remote-to-local") | join(',') }}"'
 ExecStart=/usr/bin/bash {{docker_backup_remote_to_local_folder}}backups-remote-to-local.sh
+ExecStartPost=/bin/sh -c 'systemctl start system-maintenance-service-defrost.service'
diff --git a/roles/cleanup-backups-service/templates/cleanup-backups.service.j2 b/roles/cleanup-backups-service/templates/cleanup-backups.service.j2
index cd900658..c9d979b9 100644
--- a/roles/cleanup-backups-service/templates/cleanup-backups.service.j2
+++ b/roles/cleanup-backups-service/templates/cleanup-backups.service.j2
@@ -4,4 +4,6 @@ OnFailure=systemd-notifier@%n.service
 
 [Service]
 Type=oneshot
+ExecStartPre=/bin/sh -c '/usr/bin/python {{ path_system_maintenance_service_freezer_script }} freeze "{{ system_maintenance_services | reject('equalto', "cleanup-backups") | join(',') }}"'
 ExecStart=/usr/bin/python {{docker_cleanup_backups}}cleanup-backups.py --backups-folder-path {{backups_folder_path}} --maximum-backup-size-percent {{size_percent_maximum_backup}}
+ExecStartPost=/bin/sh -c 'systemctl start system-maintenance-service-defrost.service'
\ No newline at end of file
diff --git a/roles/cleanup-disc-space/templates/cleanup-disc-space.service.j2 b/roles/cleanup-disc-space/templates/cleanup-disc-space.service.j2
index afd1e27b..90536b3b 100644
--- a/roles/cleanup-disc-space/templates/cleanup-disc-space.service.j2
+++ b/roles/cleanup-disc-space/templates/cleanup-disc-space.service.j2
@@ -4,4 +4,6 @@ OnFailure=systemd-notifier@%n.service
 
 [Service]
 Type=oneshot
-ExecStart=/bin/bash {{cleanup_disc_space_folder}}cleanup-disc-space.sh {{size_percent_cleanup_disc_space}}
\ No newline at end of file
+ExecStartPre=/bin/sh -c '/usr/bin/python {{ path_system_maintenance_service_freezer_script }} freeze "{{ system_maintenance_services | reject('equalto', "cleanup-disc-space") | join(',') }}"'
+ExecStart=/bin/bash {{cleanup_disc_space_folder}}cleanup-disc-space.sh {{size_percent_cleanup_disc_space}}
+ExecStartPost=/bin/sh -c 'systemctl start system-maintenance-service-defrost.service'
\ No newline at end of file
diff --git a/roles/cleanup-failed-docker-backups/templates/cleanup-failed-docker-backups.service.j2 b/roles/cleanup-failed-docker-backups/templates/cleanup-failed-docker-backups.service.j2
index c5c731e5..0c3f68de 100644
--- a/roles/cleanup-failed-docker-backups/templates/cleanup-failed-docker-backups.service.j2
+++ b/roles/cleanup-failed-docker-backups/templates/cleanup-failed-docker-backups.service.j2
@@ -4,4 +4,6 @@ OnFailure=systemd-notifier@%n.service
 
 [Service]
 Type=oneshot
-ExecStart=/bin/sh -c '/usr/bin/yes | /usr/bin/bash {{backup_docker_to_local_cleanup_folder}}cleanup.sh {{backup_docker_to_local_cleanup_machine_id}} {{backup_docker_to_local_cleanup_trigger_directory}}'
\ No newline at end of file
+ExecStartPre=/bin/sh -c '/usr/bin/python {{ path_system_maintenance_service_freezer_script }} freeze "{{ system_maintenance_services | reject('equalto', "cleanup-failed-docker-backups") | join(',') }}"'
+ExecStart=/bin/sh -c '/usr/bin/yes | /usr/bin/bash {{backup_docker_to_local_cleanup_folder}}cleanup.sh {{backup_docker_to_local_cleanup_machine_id}} {{backup_docker_to_local_cleanup_trigger_directory}}'
+ExecStartPost=/bin/sh -c 'systemctl start system-maintenance-service-defrost.service'
\ No newline at end of file
diff --git a/roles/heal-docker/templates/heal-docker.service.j2 b/roles/heal-docker/templates/heal-docker.service.j2
index 443d19a7..21b0e5dc 100644
--- a/roles/heal-docker/templates/heal-docker.service.j2
+++ b/roles/heal-docker/templates/heal-docker.service.j2
@@ -4,4 +4,6 @@ OnFailure=systemd-notifier@%n.service
 
 [Service]
 Type=oneshot
+ExecStartPre=/bin/sh -c '/usr/bin/python {{ path_system_maintenance_service_freezer_script }} freeze "{{ system_maintenance_services | reject('equalto', "heal-docker") | join(',') }}"'
 ExecStart=/bin/python {{heal_docker}}heal-docker.py
+ExecStartPost=/bin/sh -c 'systemctl start system-maintenance-service-defrost.service'
\ No newline at end of file
diff --git a/roles/system-maintenance-service-freezer/tasks/main.yml b/roles/system-maintenance-service-freezer/tasks/main.yml
index eea7ab96..7eaf2e98 100644
--- a/roles/system-maintenance-service-freezer/tasks/main.yml
+++ b/roles/system-maintenance-service-freezer/tasks/main.yml
@@ -1,8 +1,8 @@
 ---
-- name: create {{freezer_script}}
+- name: create {{path_system_maintenance_service_freezer_script}}
   copy:
     src: system-maintenance-service-freezer.py
-    dest: "{{freezer_script}}"
+    dest: "{{path_system_maintenance_service_freezer_script}}"
 
 - name: Configure system-maintenance-service for each action
   loop:
diff --git a/roles/system-maintenance-service-freezer/templates/system-maintenance-service-freezer.service.j2 b/roles/system-maintenance-service-freezer/templates/system-maintenance-service-freezer.service.j2
index bde33184..3e821867 100644
--- a/roles/system-maintenance-service-freezer/templates/system-maintenance-service-freezer.service.j2
+++ b/roles/system-maintenance-service-freezer/templates/system-maintenance-service-freezer.service.j2
@@ -4,4 +4,4 @@ OnFailure=systemd-notifier@%n.service
 
 [Service]
 Type=oneshot
-ExecStart=/bin/sh -c '/usr/bin/python {{ freezer_script }} {{item}} {{ system_maintenance_services | join(",") }}'
\ No newline at end of file
+ExecStart=/bin/sh -c '/usr/bin/python {{ path_system_maintenance_service_freezer_script }} {{item}} {{ system_maintenance_services | join(",") }}'
\ No newline at end of file
diff --git a/roles/system-maintenance-service-freezer/vars/main.yml b/roles/system-maintenance-service-freezer/vars/main.yml
deleted file mode 100644
index 603baa23..00000000
--- a/roles/system-maintenance-service-freezer/vars/main.yml
+++ /dev/null
@@ -1 +0,0 @@
-freezer_script: "{{path_administrator_scripts}}system-maintenance-service-freezer.py"
diff --git a/roles/update-docker/templates/update-docker.service.j2 b/roles/update-docker/templates/update-docker.service.j2
index cbc1ba8c..6c75f722 100644
--- a/roles/update-docker/templates/update-docker.service.j2
+++ b/roles/update-docker/templates/update-docker.service.j2
@@ -4,4 +4,6 @@ OnFailure=systemd-notifier@%n.service
 
 [Service]
 Type=oneshot
-ExecStart=/bin/sh -c '/usr/bin/python {{update_docker_script}} {{path_docker_compose_instances}}'
\ No newline at end of file
+ExecStartPre=/bin/sh -c '/usr/bin/python {{ path_system_maintenance_service_freezer_script }} freeze "{{ system_maintenance_services | reject('equalto', "update-docker") | join(',') }}"'
+ExecStart=/bin/sh -c '/usr/bin/python {{update_docker_script}} {{path_docker_compose_instances}}'
+ExecStartPost=/bin/sh -c 'systemctl start system-maintenance-service-defrost.service'
\ No newline at end of file